chromatic vs colourful

chromatic and colourful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
chromatic	No	Yes	No	No
colourful	No	Yes	No	No

chromatic (adjective)	colourful (adjective)
being or having or characterized by hue	having much or varied color
based on a scale consisting of 12 semitones	striking in variety and interest
able to refract light without spectral color separation	having color or a certain color; sometimes used in combination